delete useless `event`.

[ayangweb]

I am interested in helping provide a feature!

Yes

Which generators are impacted?

• [X] All
• [ ] Angular
• [ ] HTML
• [ ] Qwik
• [ ] React
• [ ] React-Native
• [ ] Solid
• [ ] Stencil
• [ ] Svelte
• [ ] Vue
• [ ] Web components

What problem does this feature solve?

When using events, if the event is not used but the generated frame still generates an unnecessary event, the event will be used.

What does the proposed API look like?

Delete useless event.

Additional Information

No response